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Testing The Law Of One Price In Food Markets: Evidence For Colombia Using Disaggregated Data

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Author Info
Ana María Iregui ()
Jesús Otero ()

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Abstract

This paper applies stationarity tests to examine evidence of market integration for a relatively large sample of food products in Colombia. We fi…nd little support for market integration when using the univariate KPSS tests for stationarity. However, within a panel context and after allowing for cross sectional dependence, the Hadri tests provide much more evidence supporting the view that food markets are integrated or, in other words, that the law of one price holds for most products.

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Paper provided by UNIVERSIDAD DEL ROSARIO - FACULTAD DE ECONOMÍA in its series DOCUMENTOS DE TRABAJO with number 005102.

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Length: 23
Date of creation: 19 Oct 2008
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Handle: RePEc:col:000092:005102

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  3. Parsley, David C & Wei, Shang-Jin, 1996. "Convergence to the Law of One Price without Trade Barriers or Currency Fluctuations," The Quarterly Journal of Economics, MIT Press, vol. 111(4), pages 1211-36, November. [Downloadable!] (restricted)
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  4. Kaddour Hadri, 1999. "Testing For Stationarity In Heterogeneous Panel Data," Research Papers 1999_04, University of Liverpool Management School.
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  9. Giulietti, Monica & Otero, Jesus & Smith, Jeremy, 2006. "Testing for stationarity in heterogeneous panel data in the presence of cross section dependence," The Warwick Economics Research Paper Series (TWERPS) 758, University of Warwick, Department of Economics. [Downloadable!]
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  13. Josep Carrion-i-Silvestre & Andreu Sansó, 2006. "A guide to the computation of stationarity tests," Empirical Economics, Springer, vol. 31(2), pages 433-448, June. [Downloadable!] (restricted)
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  17. Chang, Yoosoon, 2004. "Bootstrap unit root tests in panels with cross-sectional dependency," Journal of Econometrics, Elsevier, vol. 120(2), pages 263-293, June. [Downloadable!] (restricted)
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  18. Froot, Kenneth A. & Rogoff, Kenneth, 1995. "Perspectives on PPP and long-run real exchange rates," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 32, pages 1647-1688 Elsevier. [Downloadable!] (restricted)
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  21. Stephen G. Cecchetti & Nelson C. Mark & Robert J. Sonora, 2002. "Price Index Convergence Among United States Cities," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(4), pages 1081-1099, November. [Downloadable!] (restricted)
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  24. M. Hashem Pesaran, 2007. "A simple panel unit root test in the presence of cross-section dependence," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(2), pages 265-312. [Downloadable!]
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  25. Pesaran, H. Hashem & Shin, Yongcheol, 1998. "Generalized impulse response analysis in linear multivariate models," Economics Letters, Elsevier, vol. 58(1), pages 17-29, January. [Downloadable!] (restricted)
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